Ventilation-perfusion relationships in children with heart disease and diminished pulmonary blood flow.
D001784:Blood Gas Analysis; D006328:Cardiac Catheterization; D006330:Heart Defects, Congenital / Q000503:physiopathology*; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008168:Lung / Q000503:physiopathology*; D009584:Nitrogen / Q000032:analysis / Q000652:urine; D011650:Pulmonary Alveoli / Q000032:analysis; D011652:Pulmonary Circulation; D012119:Respiration; D012129:Respiratory Function Tests / Q000295:instrumentation
D009584:Nitrogen